Steel Line Pipe - API
BBJ Pipe is a well known and prestigious manufacturing unit in Oil & Gas sector having certification of American Petroleum Institute “API-5L” PSL–1 & 2 accreditations along with ISO 9001:2015 certification. BBJ Japanese design Pipe mills are equipped with Solid-State/High frequency welders.
The steel line pipe is manufactured in accordance with the specifications of API–5L (latest edition), ASTM A-53 (2002) and BS standards etc. The internal pressure determines the proper wall thickness in the pipe system.
Pipes are provided with the making agreed upon with the execution of the order. The nominal diameter of BBJ Steel Line Pipe ranges from ½” to 12” while the length ranges from 6m to 12m, with wall thickness up to 9.0 mm. BBJ Welded Line pipes are used in natural gas, oil pipelines and water distribution system.
API 5L Steel Line Pipe
| STANDARD WEIGHT, DIMENSIONS AND TEST PRESSURE | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Size | Specified Outside Diameter | Specified Wall Thickness | Inside Diameter | Calacualted Weight | Test Pressure Grade B | ||||||
| In | mm | In | mm | In | mm | In | mm | lb/ft | Kg/m | psi | 100 kpa |
| 1/2" | 15 | 0.84 | 21.3 | 0.109 | 2.8 | 0.622 | 15.7 | 0.85 | 1.28 | 700 | 48 |
| 3/4" | 20 | 1.05 | 26.7 | 0.113 | 2.9 | 0.824 | 20.9 | 1.13 | 1.7 | 700 | 48 |
| 1" | 25 | 1.315 | 33.4 | 0.133 | 3.4 | 1.049 | 26.6 | 1.68 | 2.52 | 700 | 48 |
| 1-1/4" | 32 | 1.66 | 42.2 | 0.14 | 3.6 | 1.38 | 35 | 2.27 | 3.43 | 1300 | 90 |
| 1-1/2" | 40 | 1.9 | 48.3 | 0.145 | 3.7 | 1.61 | 40.9 | 2.72 | 4.07 | 1300 | 90 |
| 2" | 50 | 2.375 | 60.3 | 0.154 | 3.9 | 2.067 | 52.5 | 3.66 | 5.42 | 2500 | 172 |
| 2-1/2" | 65 | 2.875 | 73 | 0.203 | 5.2 | 2.469 | 62.6 | 5.8 | 8.69 | 2500 | 172 |
| 3" | 80 | 3.5 | 88.9 | 0.216 | 5.5 | 3.068 | 77.9 | 7.58 | 11.31 | 2500 | 172 |
| 4" | 100 | 4.5 | 114.3 | 0.188 | 4.8 | 4.124 | 104.7 | 8.67 | 12.96 | 1750 | 121 |
| 4" | 100 | 4.5 | 114.3 | 0.219 | 5.6 | 4.062 | 103.1 | 10.02 | 15.01 | 2040 | 142 |
| 4" | 100 | 4.5 | 114.3 | 0.237 | 6 | 4.026 | 102.3 | 10.8 | 16.02 | 2210 | 152 |
| 5" | 125 | 5.563 | 141.3 | 0.188 | 4.8 | 5.187 | 131.7 | 10.8 | 16.16 | 1420 | 98 |
| 5" | 125 | 5.563 | 141.3 | 0.219 | 5.6 | 5.125 | 130.1 | 12.5 | 18.74 | 1650 | 115 |
| 5" | 125 | 5.563 | 141.3 | 0.258 | 6.6 | 5.047 | 128.1 | 14.63 | 21.92 | 1950 | 135 |
| 6" | 150 | 6.625 | 168.3 | 0.188 | 4.8 | 6.249 | 158.7 | 12.94 | 19.35 | 1190 | 82 |
| 6" | 150 | 6.625 | 168.3 | 0.219 | 5.6 | 6.187 | 157.1 | 15 | 22.47 | 1390 | 96 |
| 6" | 150 | 6.625 | 168.3 | 0.25 | 6.4 | 6.125 | 155.5 | 17.04 | 25.55 | 1580 | 110 |
| 6" | 150 | 6.625 | 168.3 | 0.28 | 7.1 | 6.065 | 154.1 | 18.99 | 28.22 | 1780 | 122 |
| 8" | 200 | 8.625 | 219.1 | 0.188 | 4.8 | 8.249 | 209.5 | 16.96 | 25.37 | 920 | 63 |
| 8" | 200 | 8.625 | 219.1 | 0.219 | 5.6 | 8.187 | 208 | 19.68 | 29.48 | 1070 | 74 |
| 8" | 200 | 8.625 | 219.1 | 0.25 | 6.4 | 8.125 | 206.3 | 22.38 | 33.57 | 1220 | 84 |
| 8" | 200 | 8.625 | 219.1 | 0.277 | 7 | 8.071 | 205.1 | 24.72 | 36.61 | 1350 | 92 |
| 8" | 200 | 8.625 | 219.1 | 0.312 | 7.9 | 8.001 | 203.3 | 27.73 | 41.14 | 1520 | 104 |
| 10" | 250 | 10.75 | 273.1 | 0.188 | 4.8 | 10.374 | 263.5 | 21.23 | 31.76 | 730 | 51 |
| 10" | 250 | 10.75 | 273.1 | 0.219 | 5.6 | 10.312 | 261.9 | 24.65 | 36.94 | 860 | 59 |
| 10" | 250 | 10.75 | 273.1 | 0.25 | 6.4 | 10.25 | 260.3 | 28.06 | 42.09 | 980 | 68 |
| 10" | 250 | 10.75 | 273.1 | 0.279 | 7.1 | 10.192 | 258.9 | 21.23 | 46.57 | 1090 | 75 |
| 12" | 300 | 12.75 | 323.9 | 0.188 | 4.8 | 12.374 | 314.3 | 25.25 | 37.77 | 620 | 43 |
| 12" | 300 | 12.75 | 323.9 | 0.219 | 5.6 | 12.312 | 312.7 | 29.34 | 43.96 | 720 | 50 |
| 12" | 300 | 12.75 | 323.9 | 0.25 | 6.4 | 12.25 | 311.1 | 33.41 | 50.11 | 820 | 57 |
| 12" | 300 | 12.75 | 323.9 | 0.281 | 7.1 | 12.188 | 309.7 | 37.46 | 55.47 | 930 | 63 |
Steel Grade
BBJ manufactures line pipe to API specifications 5L in the following steel grades:-
| Specified OD(Inch) | Diameter (mm) | Thickness Max (mm) | Grade A 25 | Grade A | Grade B | Grade X - 42 | Grade(X-46) | Grade (X-52) | Grade X -56 | Grade X -60 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.050” | 26.7 | 2.90 | • | • | • | |||||
| 1.315” | 33.4 | 3.4 | • | • | • | |||||
| 2⅜” | 60.3 | 3.9 | • | • | • | • | • | |||
| 4½” | 114.3 | 6.0 | • | • | • | • | • | • | • | |
| 6⅝” | 168.3 | 7.1 | • | • | • | • | • | • | ||
| 8⅝” | 219.1 | 8.2 | • | • | • | • | • | • | ||
| 10¾ | 273.1 | 9.5 | • | • | • | • | • | • | ||
| 12¾ | 323.9 | 9.5 | • | • | • | • | • | • |
API Specifications (PSL 1)
| Grade | Yield Strength Minimum | Tensile Strength Minimum | Elongation | ||
|---|---|---|---|---|---|
| Psi | Mpa | Psi | Mpa | a | |
| A 25 | 25 400 | 175 | 45 00 | 310 | a |
| A | 30 500 | 210 | 48 600 | 335 | a |
| B | 35 500 | 245 | 60 200 | 415 | a |
| X 42 | 42 100 | 290 | 60 200 | 415 | a |
| X 46 | 46 400 | 320 | 63 100 | 435 | a |
| X 52 | 52 200 | 360 | 66 700 | 460 | a |
| X 56 | 56 600 | 390 | 71 100 | 490 | a |
| X 60 | 60 200 | 415 | 75 400 | 520 | a |
a: Elongation as per API 5L
API Specifications (PSL 2)
| Grade | Yield Strength Minimum Psi (Mpa) | Yield Strength Maximum Psi (Mpa) | Tensile Strength Minimum Psi (Mpa) | Tensile Strength Maximum Psi (Mpa) | Elongation |
|---|---|---|---|---|---|
| B | 35 500 (245) | 65 300 (450) | 60 200 (415) | 110 200 (760) | a |
| X 42 | 42 100 (290) | 71 800 (495) | 60 200 (415) | 110 200 (760) | a |
| X 46 | 46 400 (320) | 76 100 (525) | 63 100(435) | 110 200 (760) | a |
| X 52 | 52 200 (360) | 76 900 (530) | 66 700(460) | 110 200 (760) | a |
| X 56 | 56 600 (390) | 79 000 (545) | 71 100(490) | 110 200 (760) | a |
| X 60 | 60 200 (415) | 81 900 (565) | 75 400(520) | 110 200 (760) | a |
a: Elongation as per API 5L